SDSI vs SPSB
American Century Short Duration Strategic Income ETF against State Street SPDR Portfolio Short Term Corporate Bond ETF: cost, size, returns, what they hold and how much of it is the same.
Overlap by weight
3%
36 shared positions
Fee gap
28 bp
SPSB is cheaper
1-year return gap
0.2 pts
SPSB is ahead
Larger fund
SPSB
$11.2B
Side by side
| SDSI | SPSB | |
|---|---|---|
| Fund | American Century Short Duration Strategic Income ETF | State Street SPDR Portfolio Short Term Corporate Bond ETF |
| Issuer | American Century | State Street SPDR |
| Category | Short-Term Bond | Short-Term Bond |
| Expense ratio | 0.32% | 0.04% |
| Assets | $218M | $11.2B |
| Average daily dollar volume | $3.2M | $198M |
| Listed | Oct 11, 2022 | Dec 16, 2009 |
| FrenzyCap score | 55 | 98 |
| 1-month return | −0.7% | −0.2% |
| 3-month return | −1.2% | −0.8% |
| Year to date | −2.2% | −1.9% |
| 1-year return | −2.5% | −2.2% |
| 30-day volatility | 2.3% | 1.7% |
| Worst drawdown, 1 year | −2.8% | −2.6% |
| Trailing 12-month yield | 4.79% | 4.38% |
| Holdings | 388 | 1,671 |
| Top 10 weight | 23.3% | 4.4% |
| Look-through P/E | — | — |
| Holdings vs fair value | — | — |
| Holdings above 200-day average | — | — |
| Net flow, latest 3 reported months | +$44M thru May 2026 | +$828M thru Jun 2026 |
| 30-day implied volatility | — | 13.4% |
| Holdings as of | as of May 31, 2026SEC filing | as of Oct 20, 2026issuer data |
Returns are price returns and exclude distributions. Flows are each fund's own latest reported months and may not cover the same period.
Largest shared holdings
9% of SDSI · 4% of SPSB| Holding | SDSI | SPSB |
|---|---|---|
| Wells Fargo & Co 4.577%, due May 20, 2029 | 0.35% | 0.34% |
| Amazon.com Inc 4%, due Mar 13, 2029 | 0.28% | 0.44% |
| Morgan Stanley 4.133%, due Oct 18, 2029 | 0.45% | 0.24% |
| Regions Bank/Birmingham AL 4.755%, due Jul 27, 2029 | 0.30% | 0.24% |
| JPMorgan Chase & Co 4.408%, due Apr 23, 2030 | 0.24% | 0.22% |
| Boeing Co/The 6.298%, due May 1, 2029 | 0.37% | 0.19% |
| Bank of Nova Scotia/The 4.578%, due Jun 5, 2029 | 0.30% | 0.18% |
| Ares Strategic Income Fund 5.7%, due Mar 15, 2028 | 0.18% | 0.15% |
| salesforce.com Inc 4.65%, due Mar 15, 2029 | 0.14% | 0.67% |
| Bank of America Corp 4.477%, due Apr 23, 2030 | 0.11% | 0.20% |
| salesforce.com Inc 4.5%, due Mar 15, 2028 | 0.25% | 0.10% |
| Wells Fargo & Co 4.182%, due Jan 23, 2030 | 0.24% | 0.09% |
| Blackstone Private Credit Fund 5.95%, due Jul 16, 2029 | 0.23% | 0.09% |
| Goldman Sachs BDC Inc 5.1%, due Jan 28, 2029 | 0.10% | 0.08% |
| Baxter International Inc 4.45%, due Feb 15, 2029 | 0.32% | 0.07% |
| Zions Bancorp NA 4.483%, due Feb 9, 2029 | 0.25% | 0.06% |
| ServiceNow Inc 4.25%, due May 15, 2028 | 0.20% | 0.05% |
| Apollo Debt Solutions BDC 5.2%, due Dec 8, 2028 | 0.19% | 0.05% |
| HPS Corporate Lending Fund 4.9%, due Sep 11, 2028 | 0.04% | 0.08% |
| Morgan Stanley Bank NA 4.788%, due May 10, 2030 | 0.12% | 0.04% |
| Targa Resources Corp 4.35%, due Jan 15, 2029 | 0.48% | 0.04% |
| Maple Parent Holdings Corp 4.75%, due Mar 26, 2029 | 0.17% | 0.04% |
| Essent Group Ltd 6.25%, due Jul 1, 2029 | 0.41% | 0.03% |
| Deutsche Bank AG/New York NY 4.875%, due Dec 1, 2032 | 0.40% | 0.03% |
| Bank of Montreal 3.803%, due Dec 15, 2032 | 0.37% | 0.03% |
Sector mix of the stock holdings
No sector breakdown: these funds hold few classified stocks.
More: full overlap table · SDSI holdings · SPSB holdings
Fund data comes from each fund's SEC filings and issuer disclosures and is shown with the date it is as of. SEC portfolio and flow filings become public about 60 days after the period they cover. Nothing here is investment advice; see Terms.